/*
 *  
 *
 * The jmind-pigg Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package jmind.pigg.util.logging;

import java.io.ObjectStreamException;
import java.io.Serializable;

/**
 * A skeletal implementation of {@link InternalLogger}.  This class implements
 * all methods that have a {@link InternalLogLevel} parameter by default to call
 * specific logger methods such as {@link #info(String)} or {@link #isInfoEnabled()}.
 */
public abstract class AbstractInternalLogger implements InternalLogger, Serializable {

  private static final long serialVersionUID = -6382972526573193470L;

  private final String name;

  /**
   * Creates a new instance.
   */
  protected AbstractInternalLogger(String name) {
    if (name == null) {
      throw new NullPointerException("name");
    }
    this.name = name;
  }

  @Override
  public String name() {
    return name;
  }

  @Override
  public boolean isEnabled(InternalLogLevel level) {
    switch (level) {
      case TRACE:
        return isTraceEnabled();
      case DEBUG:
        return isDebugEnabled();
      case INFO:
        return isInfoEnabled();
      case WARN:
        return isWarnEnabled();
      case ERROR:
        return isErrorEnabled();
      default:
        throw new Error();
    }
  }

  @Override
  public void log(InternalLogLevel level, String msg, Throwable cause) {
    switch (level) {
      case TRACE:
        trace(msg, cause);
        break;
      case DEBUG:
        debug(msg, cause);
        break;
      case INFO:
        info(msg, cause);
        break;
      case WARN:
        warn(msg, cause);
        break;
      case ERROR:
        error(msg, cause);
        break;
      default:
        throw new Error();
    }
  }

  @Override
  public void log(InternalLogLevel level, String msg) {
    switch (level) {
      case TRACE:
        trace(msg);
        break;
      case DEBUG:
        debug(msg);
        break;
      case INFO:
        info(msg);
        break;
      case WARN:
        warn(msg);
        break;
      case ERROR:
        error(msg);
        break;
      default:
        throw new Error();
    }
  }

  @Override
  public void log(InternalLogLevel level, String format, Object arg) {
    switch (level) {
      case TRACE:
        trace(format, arg);
        break;
      case DEBUG:
        debug(format, arg);
        break;
      case INFO:
        info(format, arg);
        break;
      case WARN:
        warn(format, arg);
        break;
      case ERROR:
        error(format, arg);
        break;
      default:
        throw new Error();
    }
  }

  @Override
  public void log(InternalLogLevel level, String format, Object argA, Object argB) {
    switch (level) {
      case TRACE:
        trace(format, argA, argB);
        break;
      case DEBUG:
        debug(format, argA, argB);
        break;
      case INFO:
        info(format, argA, argB);
        break;
      case WARN:
        warn(format, argA, argB);
        break;
      case ERROR:
        error(format, argA, argB);
        break;
      default:
        throw new Error();
    }
  }

  @Override
  public void log(InternalLogLevel level, String format, Object... arguments) {
    switch (level) {
      case TRACE:
        trace(format, arguments);
        break;
      case DEBUG:
        debug(format, arguments);
        break;
      case INFO:
        info(format, arguments);
        break;
      case WARN:
        warn(format, arguments);
        break;
      case ERROR:
        error(format, arguments);
        break;
      default:
        throw new Error();
    }
  }

  protected Object readResolve() throws ObjectStreamException {
    return InternalLoggerFactory.getInstance(name());
  }

  @Override
  public String toString() {
    return StringUtil.simpleClassName(this) + '(' + name() + ')';
  }
}
